questionText: To ask the Secretary of State for Defence, what recent estimate he has made of the cost of replacing each Vanguard class submarine under the Trident nuclear programme.
answerText: Replacing the Vanguard Class, the Dreadnought submarine programme remains on track to deliver to schedule and within the original £31 billion plus £10 billion contingency budget made in the Strategic Defence and Security Review 2015.
heading: Trident Submarines: Procurement